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-rw-r--r--net/9p/trans_rdma.c26
-rw-r--r--net/ipv6/addrconf.c31
-rw-r--r--net/rds/ib.c13
-rw-r--r--net/rds/ib.h2
-rw-r--r--net/rds/ib_cm.c4
-rw-r--r--net/rds/ib_recv.c6
-rw-r--r--net/rds/ib_send.c8
-rw-r--r--net/rds/iw.c10
-rw-r--r--net/rds/iw_rdma.c5
-rw-r--r--net/rds/iw_send.c5
-rw-r--r--net/sunrpc/xprtrdma/frwr_ops.c6
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_recvfrom.c12
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c10
-rw-r--r--net/sunrpc/xprtrdma/verbs.c2
14 files changed, 34 insertions, 106 deletions
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 37a78d20c0f6..ba1210253f5e 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -94,8 +94,6 @@ struct p9_trans_rdma {
struct ib_pd *pd;
struct ib_qp *qp;
struct ib_cq *cq;
- struct ib_mr *dma_mr;
- u32 lkey;
long timeout;
int sq_depth;
struct semaphore sq_sem;
@@ -382,9 +380,6 @@ static void rdma_destroy_trans(struct p9_trans_rdma *rdma)
if (!rdma)
return;
- if (rdma->dma_mr && !IS_ERR(rdma->dma_mr))
- ib_dereg_mr(rdma->dma_mr);
-
if (rdma->qp && !IS_ERR(rdma->qp))
ib_destroy_qp(rdma->qp);
@@ -415,7 +410,7 @@ post_recv(struct p9_client *client, struct p9_rdma_context *c)
sge.addr = c->busa;
sge.length = client->msize;
- sge.lkey = rdma->lkey;
+ sge.lkey = rdma->pd->local_dma_lkey;
wr.next = NULL;
c->wc_op = IB_WC_RECV;
@@ -506,7 +501,7 @@ dont_need_post_recv:
sge.addr = c->busa;
sge.length = c->req->tc->size;
- sge.lkey = rdma->lkey;
+ sge.lkey = rdma->pd->local_dma_lkey;
wr.next = NULL;
c->wc_op = IB_WC_SEND;
@@ -647,7 +642,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
struct p9_trans_rdma *rdma;
struct rdma_conn_param conn_param;
struct ib_qp_init_attr qp_attr;
- struct ib_device_attr devattr;
struct ib_cq_init_attr cq_attr = {};
/* Parse the transport specific mount options */
@@ -700,11 +694,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
if (err || (rdma->state != P9_RDMA_ROUTE_RESOLVED))
goto error;
- /* Query the device attributes */
- err = ib_query_device(rdma->cm_id->device, &devattr);
- if (err)
- goto error;
-
/* Create the Completion Queue */
cq_attr.cqe = opts.sq_depth + opts.rq_depth + 1;
rdma->cq = ib_create_cq(rdma->cm_id->device, cq_comp_handler,
@@ -719,17 +708,6 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
if (IS_ERR(rdma->pd))
goto error;
- /* Cache the DMA lkey in the transport */
- rdma->dma_mr = NULL;
- if (devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
- rdma->lkey = rdma->cm_id->device->local_dma_lkey;
- else {
- rdma->dma_mr = ib_get_dma_mr(rdma->pd, IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(rdma->dma_mr))
- goto error;
- rdma->lkey = rdma->dma_mr->lkey;
- }
-
/* Create the Queue Pair */
memset(&qp_attr, 0, sizeof qp_attr);
qp_attr.event_handler = qp_event_handler;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 99c0f2b843f0..030fefdc9aed 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1943,37 +1943,6 @@ static void addrconf_leave_anycast(struct inet6_ifaddr *ifp)
__ipv6_dev_ac_dec(ifp->idev, &addr);
}
-static int addrconf_ifid_eui48(u8 *eui, struct net_device *dev)
-{
- if (dev->addr_len != ETH_ALEN)
- return -1;
- memcpy(eui, dev->dev_addr, 3);
- memcpy(eui + 5, dev->dev_addr + 3, 3);
-
- /*
- * The zSeries OSA network cards can be shared among various
- * OS instances, but the OSA cards have only one MAC address.
- * This leads to duplicate address conflicts in conjunction
- * with IPv6 if more than one instance uses the same card.
- *
- * The driver for these cards can deliver a unique 16-bit
- * identifier for each instance sharing the same card. It is
- * placed instead of 0xFFFE in the interface identifier. The
- * "u" bit of the interface identifier is not inverted in this
- * case. Hence the resulting interface identifier has local
- * scope according to RFC2373.
- */
- if (dev->dev_id) {
- eui[3] = (dev->dev_id >> 8) & 0xFF;
- eui[4] = dev->dev_id & 0xFF;
- } else {
- eui[3] = 0xFF;
- eui[4] = 0xFE;
- eui[0] ^= 2;
- }
- return 0;
-}
-
static int addrconf_ifid_eui64(u8 *eui, struct net_device *dev)
{
if (dev->addr_len != IEEE802154_ADDR_LEN)
diff --git a/net/rds/ib.c b/net/rds/ib.c
index d020fade312c..2d3f2ab475df 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -99,8 +99,6 @@ static void rds_ib_dev_free(struct work_struct *work)
if (rds_ibdev->mr_pool)
rds_ib_destroy_mr_pool(rds_ibdev->mr_pool);
- if (rds_ibdev->mr)
- ib_dereg_mr(rds_ibdev->mr);
if (rds_ibdev->pd)
ib_dealloc_pd(rds_ibdev->pd);
@@ -164,12 +162,6 @@ static void rds_ib_add_one(struct ib_device *device)
goto put_dev;
}
- rds_ibdev->mr = ib_get_dma_mr(rds_ibdev->pd, IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(rds_ibdev->mr)) {
- rds_ibdev->mr = NULL;
- goto put_dev;
- }
-
rds_ibdev->mr_pool = rds_ib_create_mr_pool(rds_ibdev);
if (IS_ERR(rds_ibdev->mr_pool)) {
rds_ibdev->mr_pool = NULL;
@@ -230,11 +222,10 @@ struct rds_ib_device *rds_ib_get_client_data(struct ib_device *device)
*
* This can be called at any time and can be racing with any other RDS path.
*/
-static void rds_ib_remove_one(struct ib_device *device)
+static void rds_ib_remove_one(struct ib_device *device, void *client_data)
{
- struct rds_ib_device *rds_ibdev;
+ struct rds_ib_device *rds_ibdev = client_data;
- rds_ibdev = ib_get_client_data(device, &rds_ib_client);
if (!rds_ibdev)
return;
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 9fc95e38659a..aae60fda77f6 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -100,7 +100,6 @@ struct rds_ib_connection {
/* alphabet soup, IBTA style */
struct rdma_cm_id *i_cm_id;
struct ib_pd *i_pd;
- struct ib_mr *i_mr;
struct ib_cq *i_send_cq;
struct ib_cq *i_recv_cq;
@@ -173,7 +172,6 @@ struct rds_ib_device {
struct list_head conn_list;
struct ib_device *dev;
struct ib_pd *pd;
- struct ib_mr *mr;
struct rds_ib_mr_pool *mr_pool;
unsigned int fmr_max_remaps;
unsigned int max_fmrs;
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index d150bb4aa3cb..9043f5c04787 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -269,7 +269,6 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
/* Protection domain and memory range */
ic->i_pd = rds_ibdev->pd;
- ic->i_mr = rds_ibdev->mr;
cq_attr.cqe = ic->i_send_ring.w_nr + 1;
ic->i_send_cq = ib_create_cq(dev, rds_ib_send_cq_comp_handler,
@@ -375,7 +374,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
rds_ib_recv_init_ack(ic);
- rdsdebug("conn %p pd %p mr %p cq %p %p\n", conn, ic->i_pd, ic->i_mr,
+ rdsdebug("conn %p pd %p cq %p %p\n", conn, ic->i_pd,
ic->i_send_cq, ic->i_recv_cq);
out:
@@ -682,7 +681,6 @@ void rds_ib_conn_shutdown(struct rds_connection *conn)
ic->i_cm_id = NULL;
ic->i_pd = NULL;
- ic->i_mr = NULL;
ic->i_send_cq = NULL;
ic->i_recv_cq = NULL;
ic->i_send_hdrs = NULL;
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 6bbe62060060..f43831e4186a 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -62,12 +62,12 @@ void rds_ib_recv_init_ring(struct rds_ib_connection *ic)
sge = &recv->r_sge[0];
sge->addr = ic->i_recv_hdrs_dma + (i * sizeof(struct rds_header));
sge->length = sizeof(struct rds_header);
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
sge = &recv->r_sge[1];
sge->addr = 0;
sge->length = RDS_FRAG_SIZE;
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
}
}
@@ -564,7 +564,7 @@ void rds_ib_recv_init_ack(struct rds_ib_connection *ic)
sge->addr = ic->i_ack_dma;
sge->length = sizeof(struct rds_header);
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
wr->sg_list = sge;
wr->num_sge = 1;
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index c576ebeb4115..4e88047086b6 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -202,9 +202,9 @@ void rds_ib_send_init_ring(struct rds_ib_connection *ic)
sge = &send->s_sge[0];
sge->addr = ic->i_send_hdrs_dma + (i * sizeof(struct rds_header));
sge->length = sizeof(struct rds_header);
- sge->lkey = ic->i_mr->lkey;
+ sge->lkey = ic->i_pd->local_dma_lkey;
- send->s_sge[1].lkey = ic->i_mr->lkey;
+ send->s_sge[1].lkey = ic->i_pd->local_dma_lkey;
}
}
@@ -818,7 +818,7 @@ int rds_ib_xmit_atomic(struct rds_connection *conn, struct rm_atomic_op *op)
/* Convert our struct scatterlist to struct ib_sge */
send->s_sge[0].addr = ib_sg_dma_address(ic->i_cm_id->device, op->op_sg);
send->s_sge[0].length = ib_sg_dma_len(ic->i_cm_id->device, op->op_sg);
- send->s_sge[0].lkey = ic->i_mr->lkey;
+ send->s_sge[0].lkey = ic->i_pd->local_dma_lkey;
rdsdebug("rva %Lx rpa %Lx len %u\n", op->op_remote_addr,
send->s_sge[0].addr, send->s_sge[0].length);
@@ -932,7 +932,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
send->s_sge[j].addr =
ib_sg_dma_address(ic->i_cm_id->device, scat);
send->s_sge[j].length = len;
- send->s_sge[j].lkey = ic->i_mr->lkey;
+ send->s_sge[j].lkey = ic->i_pd->local_dma_lkey;
sent += len;
rdsdebug("ic %p sent %d remote_addr %llu\n", ic, sent, remote_addr);
diff --git a/net/rds/iw.c b/net/rds/iw.c
index 5d5a9d258658..3df0295c6659 100644
--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -125,12 +125,11 @@ free_attr:
kfree(dev_attr);
}
-static void rds_iw_remove_one(struct ib_device *device)
+static void rds_iw_remove_one(struct ib_device *device, void *client_data)
{
- struct rds_iw_device *rds_iwdev;
+ struct rds_iw_device *rds_iwdev = client_data;
struct rds_iw_cm_id *i_cm_id, *next;
- rds_iwdev = ib_get_client_data(device, &rds_iw_client);
if (!rds_iwdev)
return;
@@ -149,10 +148,7 @@ static void rds_iw_remove_one(struct ib_device *device)
if (rds_iwdev->mr)
ib_dereg_mr(rds_iwdev->mr);
- while (ib_dealloc_pd(rds_iwdev->pd)) {
- rdsdebug("Failed to dealloc pd %p\n", rds_iwdev->pd);
- msleep(1);
- }
+ ib_dealloc_pd(rds_iwdev->pd);
list_del(&rds_iwdev->list);
kfree(rds_iwdev);
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index dba8d0864f18..6a8fbd6e69e7 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -667,11 +667,12 @@ static int rds_iw_init_fastreg(struct rds_iw_mr_pool *pool,
struct ib_mr *mr;
int err;
- mr = ib_alloc_fast_reg_mr(rds_iwdev->pd, pool->max_message_size);
+ mr = ib_alloc_mr(rds_iwdev->pd, IB_MR_TYPE_MEM_REG,
+ pool->max_message_size);
if (IS_ERR(mr)) {
err = PTR_ERR(mr);
- printk(KERN_WARNING "RDS/IW: ib_alloc_fast_reg_mr failed (err=%d)\n", err);
+ printk(KERN_WARNING "RDS/IW: ib_alloc_mr failed (err=%d)\n", err);
return err;
}
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 334fe98c5084..86152ec3b887 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -153,9 +153,10 @@ void rds_iw_send_init_ring(struct rds_iw_connection *ic)
sge->length = sizeof(struct rds_header);
sge->lkey = 0;
- send->s_mr = ib_alloc_fast_reg_mr(ic->i_pd, fastreg_message_size);
+ send->s_mr = ib_alloc_mr(ic->i_pd, IB_MR_TYPE_MEM_REG,
+ fastreg_message_size);
if (IS_ERR(send->s_mr)) {
- printk(KERN_WARNING "RDS/IW: ib_alloc_fast_reg_mr failed\n");
+ printk(KERN_WARNING "RDS/IW: ib_alloc_mr failed\n");
break;
}
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 63f282e770b8..d6653f5d0830 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -117,7 +117,7 @@ __frwr_recovery_worker(struct work_struct *work)
if (ib_dereg_mr(r->r.frmr.fr_mr))
goto out_fail;
- r->r.frmr.fr_mr = ib_alloc_fast_reg_mr(pd, depth);
+ r->r.frmr.fr_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, depth);
if (IS_ERR(r->r.frmr.fr_mr))
goto out_fail;
@@ -148,7 +148,7 @@ __frwr_init(struct rpcrdma_mw *r, struct ib_pd *pd, struct ib_device *device,
struct rpcrdma_frmr *f = &r->r.frmr;
int rc;
- f->fr_mr = ib_alloc_fast_reg_mr(pd, depth);
+ f->fr_mr = ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, depth);
if (IS_ERR(f->fr_mr))
goto out_mr_err;
f->fr_pgl = ib_alloc_fast_reg_page_list(device, depth);
@@ -158,7 +158,7 @@ __frwr_init(struct rpcrdma_mw *r, struct ib_pd *pd, struct ib_device *device,
out_mr_err:
rc = PTR_ERR(f->fr_mr);
- dprintk("RPC: %s: ib_alloc_fast_reg_mr status %i\n",
+ dprintk("RPC: %s: ib_alloc_mr status %i\n",
__func__, rc);
return rc;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 2e1348bde325..cb5174284074 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -115,15 +115,6 @@ static void rdma_build_arg_xdr(struct svc_rqst *rqstp,
rqstp->rq_arg.tail[0].iov_len = 0;
}
-static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
-{
- if (!rdma_cap_read_multi_sge(xprt->sc_cm_id->device,
- xprt->sc_cm_id->port_num))
- return 1;
- else
- return min_t(int, sge_count, xprt->sc_max_sge);
-}
-
/* Issue an RDMA_READ using the local lkey to map the data sink */
int rdma_read_chunk_lcl(struct svcxprt_rdma *xprt,
struct svc_rqst *rqstp,
@@ -144,8 +135,7 @@ int rdma_read_chunk_lcl(struct svcxprt_rdma *xprt,
ctxt->direction = DMA_FROM_DEVICE;
ctxt->read_hdr = head;
- pages_needed =
- min_t(int, pages_needed, rdma_read_max_sge(xprt, pages_needed));
+ pages_needed = min_t(int, pages_needed, xprt->sc_max_sge_rd);
read = min_t(int, pages_needed << PAGE_SHIFT, rs_length);
for (pno = 0; pno < pages_needed; pno++) {
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 21e40365042c..fcc3eb80c265 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -734,17 +734,19 @@ static struct svc_rdma_fastreg_mr *rdma_alloc_frmr(struct svcxprt_rdma *xprt)
struct ib_mr *mr;
struct ib_fast_reg_page_list *pl;
struct svc_rdma_fastreg_mr *frmr;
+ u32 num_sg;
frmr = kmalloc(sizeof(*frmr), GFP_KERNEL);
if (!frmr)
goto err;
- mr = ib_alloc_fast_reg_mr(xprt->sc_pd, RPCSVC_MAXPAGES);
+ num_sg = min_t(u32, RPCSVC_MAXPAGES, xprt->sc_frmr_pg_list_len);
+ mr = ib_alloc_mr(xprt->sc_pd, IB_MR_TYPE_MEM_REG, num_sg);
if (IS_ERR(mr))
goto err_free_frmr;
pl = ib_alloc_fast_reg_page_list(xprt->sc_cm_id->device,
- RPCSVC_MAXPAGES);
+ num_sg);
if (IS_ERR(pl))
goto err_free_mr;
@@ -873,6 +875,8 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
* capabilities of this particular device */
newxprt->sc_max_sge = min((size_t)devattr.max_sge,
(size_t)RPCSVC_MAXPAGES);
+ newxprt->sc_max_sge_rd = min_t(size_t, devattr.max_sge_rd,
+ RPCSVC_MAXPAGES);
newxprt->sc_max_requests = min((size_t)devattr.max_qp_wr,
(size_t)svcrdma_max_requests);
newxprt->sc_sq_depth = RPCRDMA_SQ_DEPTH_MULT * newxprt->sc_max_requests;
@@ -1047,6 +1051,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
" remote_ip : %pI4\n"
" remote_port : %d\n"
" max_sge : %d\n"
+ " max_sge_rd : %d\n"
" sq_depth : %d\n"
" max_requests : %d\n"
" ord : %d\n",
@@ -1060,6 +1065,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
ntohs(((struct sockaddr_in *)&newxprt->sc_cm_id->
route.addr.dst_addr)->sin_port),
newxprt->sc_max_sge,
+ newxprt->sc_max_sge_rd,
newxprt->sc_sq_depth,
newxprt->sc_max_requests,
newxprt->sc_ord);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index f73d7a71035c..682996779970 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -611,7 +611,7 @@ rpcrdma_ia_close(struct rpcrdma_ia *ia)
/* If the pd is still busy, xprtrdma missed freeing a resource */
if (ia->ri_pd && !IS_ERR(ia->ri_pd))
- WARN_ON(ib_dealloc_pd(ia->ri_pd));
+ ib_dealloc_pd(ia->ri_pd);
}
/*
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.